Heater.



No. 778,639. PATBNTED DEC. 27, 1904, N. W. DIMPSEY.

HEATER.

APPLICATION FILED JUNE 24, 1 90!- 2 SHEETS-SHEET 1,

No. 778,639. PATENTED DEC. 27, 1904 N. W. DIMPSEY.

vHEATER.

' APPLIUATION FILED JUNE 24, 1904.

2 SHEETS-SHEET 2.

Z1Ww 746%) W t 4 I mew W W Patented December 27, 1904.

PATENT OFFICE.

NELSON DIMPSEY, OF PORTAGE,

WISCONSIN, ASSIGNOR OF ONE-HALF TO JESSE M. RUSSELL, OF PORTAGE, l/VISCONSIN.

HEATER.

SPECIFICATION forming part of Letters Patent No. 778,639, dated December 2'7, 1904. Application filed June 24, 1904. Serial No. 213,972.

' T0 aZZ whom, it may concern:

Be it known that I, NELsoN W. DIMPSEY, a citizen of the United States, and a resident of Portage, in the county of Columbia and State of l/Visconsin, have invented certain new and useful Improvements in Heaters; and I do hereby declare that the following is a full, clear, and exact description thereof.

My invention has for its object to economize fuel; and it consists in a heater embodying the construction and arrangement of parts hereinafter particularly set forth with reference to the accompanying drawings and subsequently claimed.

Figure 1 of the drawings represents a vertical section view of a heater in accordance with my invention; and Fig. 2, a plan view of the same, partly in section, on the plane indicated by line 2 2 in Fig. 1.

Referring by letter to the drawings, A indicates a drum set on legs and containing a fire-pot B, the wall of which is perforated. The top of the drum is shown provided with a fuel-opening closed by a door C; but said opening and door may be otherwise located. Below the grate in the fire-pot the drum is provided with an ash-pit opening, and a door D for this opening is arranged in connection with said drum. Engaginga flange 6 around a top opening in the drum is another flange, 0, around a bottom opening in a partly-conical chamber E, having an upper extension E suitably contracted for union with a smokeflue. Another flanged bottom opening of the chamber E is connected by a vertical pipe F with a horizontal pipe Gr, leading into the ash-pit portion of the drum A, and set in said horzontal pipe open to air is a nozzle H, the forward conically-contracted portion of which projects past said vertical pipe.

Suspended from a horizontal bar I in the upper extension E of the chamber E is a central guide-rod J for a sleeve K, that extends upward from the center of a damper L, the play of this damper being within said chamber. An arm (Z of the sleeve K is shown provided with a lateral pin 6, engaging a slot f longitudinally of a lever M in pivotal connection with a bracket N, attached to the outside of the chamber extension E, and this 5 lever has play in a vertical slot of said chamber extension. A spring-controlled latch P has pivotal connection with the bracket N I and engages a segmental rack edge of said bracket to hold the damper Lin adjusted position.

Bent pipes Q R of small diameter are shown i extending through the bottom of the chamber E into the drum A and the vertical pipe F1 Another pipe, S, of small diameter, is set in the upper contracted portion E of chamber E to extend through the wall of same, the major portion of this pipe being vertical. lVhen the heater is used for consumption of of wood or anthracite coal, the pipes Q R S 5 are not required.

In practice draft is regulated by adjustment of the damper L, and by the suction of air drawn in through the nozzle H some of said products of combustion, mainly heated air,are 7 drawn down the vertical pipeF into the drum A to ascend again through the fire-pot, that is perforated to permit of said heated air having ready access to all portions of the fire. By means of the chamber E and pipes F G the radiating-surface is increased, and by warming the air supplied in a jet through the nozzle H to support combustion the whole mass of fuel in the perforated fire-pot is caused to burn evenly and be wholly con- 0 sumed. If bituminous coal be utilized, the pipe Q will operate as a hot blast to supply air over the fire in order to cause combustion of smoke and gases. The pipe R will serve to increase the downdraft from the chamber 5 E, and the pipe S will act as a vent to supply air above the damper L in order to prevent settling of soot and precipitation of oreosote.

Having thus described my invention, what 9 I claim as new, and desire to secure by Letters Patent, is

1. A heater consisting of a drum provided with door-closed fuel and ash openings, a perforated fire-pot in the drum, a chamber in communication with the upper portion of said drum, a damper adjustable to regulate draft 1 through the chamber, a horizontal pipe leadpipe, a vertical pipe connecting said chamber and horizontal pipe back of the nozzle-outlet, I 5 air-inlet pipes in the chamber leading into the drum and vertical pipe, and a vent-pipe in an extension of said chamber above the damper.

In testimony that I claim the foregoing I have hereunto set my hand, at Portage, in the 20 county of Columbia and State of Wisconsin, in the presence of two Witnesses.

NELSON W. DIMPSEY.

Witnesses:

CHAS. B. RUSSELL, F. G. VOMTMAN.

pot grate, an air-nozzle set in the horizontal 

